meet the team
Medical Supervisor
Dr. John Kocka, M.D.
Dr. Kocka trained at the Cleveland Clinic where he completed his residency in Family Medicine with special training in Preventive and Sports Medicine. Prior to founding Premier Health Clinic as a family practice, sports medicine, and wellness physician, he was the medical director at the Twinsburg Urgent Care and Twinsburg Health & Wellness Center.
Dr. Kocka has previously served as the Medical Director of NASA's medical clinic and fitness center.
In addition to his board certification in Family Medicine, Dr. Kocka is board-certified in Age Management from the American Academy of Anti-Aging, Age Management Medical Group, and physician-certified by the Cenegenics Medical Institute. He is a member of the International Hormone Society, International Society for the Study of the Aging Male, and the American College of Sports Medicine. He is also a Lt. Colonel in the Air Force reserve and served as the Chief of Medicine with the 910th Medical Squadron.
Diverse Practice and Interests
Dr. Kocka offers unique knowledge and experience outside his physician experience. With his interest in combat sports, he has been a ringside doctor for the Ohio State Athletic Commission, including a physician for the Ultimate Fighting Championship. He has won multiple natural bodybuilding and martial arts competitions and is a former coach at Strong Style Mixed Martial Arts.
Dr. Kocka stopped competing but his passion and commitment to weight training, functional training, exercise, nutrition, and health remain, serving as an example to his patients. Dr. Kocka believes in practicing the medicine and lifestyle he preaches to his patients.
Physician Assistant
Troy Naftzger, PA-C
Troy Naftzger, PA-C, brings a wealth of experience and a deeply personalized approach to patient care at Ohio Men's Health in Columbus, Ohio. With over 10 years of expertise in men's health and anti-aging medicine, Troy is dedicated to helping patients achieve optimal health by addressing their emotional, spiritual, and physical well-being.
Troy's medical journey began at the age of 19 when he started his training through the U.S. Army. Over his distinguished 21-year military career, he served with honor in the U.S. Army and Ohio National Guard, including active duty with the elite 82nd Airborne Division at Fort Bragg, North Carolina. During his service, Troy specialized in orthopedics and orthopedic reconstructive surgery, focusing on trauma and sports injury management. His experience working under high-pressure conditions instilled in him a commitment to excellence and a deep understanding of human resilience.
A lifelong athlete, Troy has always been passionate about sports and fitness. His personal involvement in weightlifting, running, cross-country skiing, and over 15 years of avid participation in CrossFit has given him firsthand insight into the physical demands and challenges that come with an active lifestyle. Now in his early 50s, Troy continues to maintain a high level of physical activity, embodying the principles of healthy aging and longevity that he encourages in his patients.
At Ohio Men's Health, Troy applies his extensive medical background and personal experience to offer comprehensive care tailored to each patient's unique needs. He understands the critical role that physical activity, nutrition, hormone optimization, and emotional health play in achieving overall wellness. By combining cutting-edge treatments like hormone replacement therapy and peptide therapy with individualized lifestyle guidance, Troy empowers patients to feel their best and thrive at any age.
Troy's commitment to patient care extends beyond the clinical setting. He believes in fostering meaningful connections and building trust with each patient, creating a supportive environment where they feel heard and valued. Whether addressing issues related to aging, performance, or recovery, Troy is dedicated to helping patients overcome challenges and reach their health and fitness goals.
When he's not working with patients, Troy enjoys staying active, exploring the outdoors, and spending time with his family. His passion for health, fitness, and lifelong learning makes him a vital part of the team at Ohio Men's Health.
Troy Naftzger, PA-C, is here to help you navigate your health journey with expertise, compassion, and a personalized approach designed to meet your unique needs.
OFFICE HOURS
Monday
8:00am - 7:00pm
Tuesday
12:00pm - 7:00pm
Wednesday
12:00pm - 7:00pm
Thursday
7:30am - 3:00pm
Friday
12:00pm - 6:00pm
Saturday
Closed
Sunday
3:00pm - 7:00pm
Ohio Men's Health
85 E Gay St #200
Columbus, OH 43215